diff --git a/benchmarks/tracking/options/track_reconstruction.py b/benchmarks/tracking/options/track_reconstruction.py
index 38c425cf7feb70042362459fd1598f996452cff1..27430cf316af6c32ffb715ddc9963f44d61d61a0 100644
--- a/benchmarks/tracking/options/track_reconstruction.py
+++ b/benchmarks/tracking/options/track_reconstruction.py
@@ -172,7 +172,7 @@ out.outputCommands = ["keep *",
         "drop trajectories",
         "drop outputSourceLinks",
         "drop outputInitialTrackParameters",
-        "drop mcparticles"
+        "keep mcparticles"
         ]
 algorithms.append(out)